38119709 has 4 divisors (see below), whose sum is σ = 39049500. Its totient is φ = 37189920.

The previous prime is 38119703. The next prime is 38119747. The reversal of 38119709 is 90791183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90791183 = 7 ⋅12970169.

It can be written as a sum of positive squares in 2 ways, for example, as 11628100 + 26491609 = 3410^2 + 5147^2 .

It is a cyclic number.

It is not a de Polignac number, because 38119709 - 2¹² = 38115613 is a prime.

It is a super-2 number, since 2×38119709² = 2906224428489362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38119703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464834 + ... + 464915.

It is an arithmetic number, because the mean of its divisors is an integer number (9762375).

Almost surely, 2^38119709 is an apocalyptic number.

It is an amenable number.

38119709 is a deficient number, since it is larger than the sum of its proper divisors (929791).

38119709 is an equidigital number, since it uses as much as digits as its factorization.

38119709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929790.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 38119709 is about 6174.1160500917. The cubic root of 38119709 is about 336.5502045734.

The spelling of 38119709 in words is "thirty-eight million, one hundred nineteen thousand, seven hundred nine".